12 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... - DDX: - Infection ... - Giant cell tumor ... Effusions #causes #differential ... #diagnosis #msk
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... mass and NO prior signs ... PVNS/Giant Cell Tumor ... #Gouty #Arthritis
Diagram of different types of bone tumors that can occur around the knee on XRay -
Myeloma - punched out ... blade of grass sign ... Diagnosis #Bony #Differential ... #Radiology #XRay ... #msk #lesions #
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... posterior fat pad ... can't make A-OK sign ... #Humerus #Radiology ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... posterior fat pad ... II-IV, pending orthopedic ... #Radiology #XRay ... #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
occur around the knee ... Myeloma - punched out ... blade of grass sign ... Lesions #Bony #Differential ... #XRay #MSK #pediatrics
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
, gout or pseudogout ... coagulopathy, tumor ... If that patient had ... #Joint #Pain #MSK ... approach #workup #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... noninflammatory Signs ... Crystal induced (Gout ... Joint #pain #Differential ... #Diagnosis #MSK
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
forefoot, ankles, knees ... fingers, wrist, elbow ... frequent attacks • Arthritis ... double contour sign ... +Radiographic signs
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
with: - Thymic tumors ... syndrome, rheumatoid arthritis ... life-threatening Differential ... test - Cogan sign ... - Peek sign